Home / 2,085,971.84-2,878,403.04-1,168,073.28

Finding the Fourth Proportional to 2,085,971.84, 2,878,403.04 and 1,168,073.28

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Solution

The fourth proportional to 2,085,971.84, 2,878,403.04 and 1,168,073.28 is: 1,611,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,971.84 : 2,878,403.04 = 1,168,073.28 : x
  2. Step 2: Convert to fraction form
    2,085,971.84/2,878,403.04 = 1,168,073.28/x
  3. Step 3: Cross multiply
    2,085,971.84x = 2,878,403.04 × 1,168,073.28
  4. Step 4: Simplify right side
    2,085,971.84x = 3,362,185,680,094.77
  5. Step 5: Solve for x
    x = 3,362,185,680,094.77/2,085,971.84
  6. Step 6: Final answer
    x = 1,611,807.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.